Structural Optimization of Steel Cantilever Used in Concrete Box Girder Bridge Widening
The structural optimization method of steel cantilever used in concrete box girder bridge widening is illustrated in this paper. The structural optimization method of steel cantilever incorporates the conceptual layout design of steel cantilever beam based on the topological theory and the determina...
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2015-01-01
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Series: | Mathematical Problems in Engineering |
Online Access: | http://dx.doi.org/10.1155/2015/105024 |
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doaj-5d9cf1cf3cd74b139c5d0fa0a97f01522020-11-24T23:39:15ZengHindawi LimitedMathematical Problems in Engineering1024-123X1563-51472015-01-01201510.1155/2015/105024105024Structural Optimization of Steel Cantilever Used in Concrete Box Girder Bridge WideningQian Wang0Wen-liang Qiu1Sheng-li Xu2Faculty of Infrastructure Engineering, Bridge Science Research Institute, Dalian University of Technology, Dalian, Liaoning 116024, ChinaFaculty of Infrastructure Engineering, Bridge Science Research Institute, Dalian University of Technology, Dalian, Liaoning 116024, ChinaSchool of Energy and Power Engineering, Dalian University of Technology, Dalian, Liaoning 116024, ChinaThe structural optimization method of steel cantilever used in concrete box girder bridge widening is illustrated in this paper. The structural optimization method of steel cantilever incorporates the conceptual layout design of steel cantilever beam based on the topological theory and the determination of the optimal location of the transverse external prestressed tendons which connect the steel cantilever and the box girder. The optimal design theory and the analysis process are illustrated. The mechanical model for the prestressed steel cantilever is built and the analytical expression of the optimal position of the transverse external tendon is deduced. At last the effectiveness of this method is demonstrated by the design of steel cantilevers which are used to widen an existing bridge.http://dx.doi.org/10.1155/2015/105024 |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Qian Wang Wen-liang Qiu Sheng-li Xu |
spellingShingle |
Qian Wang Wen-liang Qiu Sheng-li Xu Structural Optimization of Steel Cantilever Used in Concrete Box Girder Bridge Widening Mathematical Problems in Engineering |
author_facet |
Qian Wang Wen-liang Qiu Sheng-li Xu |
author_sort |
Qian Wang |
title |
Structural Optimization of Steel Cantilever Used in Concrete Box Girder Bridge Widening |
title_short |
Structural Optimization of Steel Cantilever Used in Concrete Box Girder Bridge Widening |
title_full |
Structural Optimization of Steel Cantilever Used in Concrete Box Girder Bridge Widening |
title_fullStr |
Structural Optimization of Steel Cantilever Used in Concrete Box Girder Bridge Widening |
title_full_unstemmed |
Structural Optimization of Steel Cantilever Used in Concrete Box Girder Bridge Widening |
title_sort |
structural optimization of steel cantilever used in concrete box girder bridge widening |
publisher |
Hindawi Limited |
series |
Mathematical Problems in Engineering |
issn |
1024-123X 1563-5147 |
publishDate |
2015-01-01 |
description |
The structural optimization method of steel cantilever used in concrete box girder bridge widening is illustrated in this paper. The structural optimization method of steel cantilever incorporates the conceptual layout design of steel cantilever beam based on the topological theory and the determination of the optimal location of the transverse external prestressed tendons which connect the steel cantilever and the box girder. The optimal design theory and the analysis process are illustrated. The mechanical model for the prestressed steel cantilever is built and the analytical expression of the optimal position of the transverse external tendon is deduced. At last the effectiveness of this method is demonstrated by the design of steel cantilevers which are used to widen an existing bridge. |
url |
http://dx.doi.org/10.1155/2015/105024 |
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1725514526049173504 |